ViewSonic PX748-4K vs PX749-4K: Which Game Projector is the Right Choice for Ultimate Viewing Experience?

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Introduce​

Parameter	ViewSonic PX748-4K​	ViewSonic PX749-4K​
Picture​	​	​
Price​	$879.99​	$1299.99​
Recommended Uses​	Gaming​	Home Cinema, Gaming​
Highlight​	Brightness: 4000 Lumens Resolution: 4K UHD Contrast Ratio: High Gaming Input Lag: 4.2ms Refresh Rate: 240Hz Optical Zoom: 1.3x Keystone Adjustment: Auto H/V HDR Support: Yes Connectivity Options: HDMI, USB C, RJ45, 12V Trigger Compatible Devices: Media players, gaming consoles, PCs, Macs, mobile devices​	Screen Size: Up to 300" Brightness: 4000 ANSI Lumens Resolution: 4K UHD Contrast Ratio: High Zoom: 1.3x Optical Stabilization: Anti-warping Keystone Correction: Auto H/V Gaming Resolution: 1440p Refresh Rate: 120Hz Connectivity: HDMI, USB C, RJ45, 12V Trigger Compatible Devices: Media players, gaming consoles, PCs, Macs, mobile devices​

Side-by-Side Comparison​

Display​

Parameter	ViewSonic PX748-4K​	ViewSonic PX749-4K​
Screen Size​	30 Inches - 300 Inches​	30 Inches - 300 Inches​
Throw Distance​	0.75 Meters - 9.76 Meters​	0.75 Meters - 9.76 Meters​
Contrast Ratio​	12000:1​	12000:1​
Display Resolution​	2160 Pixels​	3840 x 2160 Pixels​
Native Resolution​	3840 x 2160​	3840 x 2160​
Brightness​	4000 Lumen​	4000 Lumen​
Display Type​	DLP​	LED​
Picture Quality Enhancement​	-​	-​

Features​

Parameter	ViewSonic PX748-4K​	ViewSonic PX749-4K​
Video Encoding​	-​	-​
Lamp Wattage​	240 Watts​	240 Watts​
Light Source Life​	4000 Hours​	4000 Hours​
Controller Type​	Switch​	Remote Control, Button Control​
Control Method​	Remote​	Remote​
Mount Type​	Ceiling Mount​	Tabletop Mount​
Noteworthy Features​	3d Built-In​	Built-In Speaker, Digital Keystone Correction, Design for Xbox​

Connectivity​

Parameter	ViewSonic PX748-4K​	ViewSonic PX749-4K​
Connectivity Technology​	USB, Ethernet, USB 2.0 Type A, HDMI​	USB, Ethernet, HDMI​
Hardware Connectivity​	USB​	USB Type C, Ethernet, HDMI, USB 2.0 Type A​
Compatible Devices​	Personal Computer​	Laptop, Gaming Console, Television, Speaker​

Measurements​

Parameter	ViewSonic PX748-4K​	ViewSonic PX749-4K​
Dimensions L x W x H​	12.2"L x 8.7"W x 4.3"H​	14"L x 9.6"W x 4.8"H​
Item Weight​	2.8 Pounds​	6.6 Pounds​

Conclusion​

Product	PROS AND CONS​
ViewSonic PX748-4K​	Pros: • Very low input lag (advertised 4.5ms), excellent for gaming and lab research • Brightness of 4000 lumens, great for various lighting conditions • Crisp and bright image with beautiful colors in 4K mode • Sharp picture quality, especially when using 4K content • Good contrast for the price range, with stunning visuals in well-lit scenes • Long-lasting performance from previous models, indicating durability • Positive history with the brand, suggesting reliability Cons: • Limited bulb life; bulb may show significant usage even when purchased as "Used - Like New" • Only a 90-day warranty, which is minimal for a projector • 4K resolution limited to 60hz; higher refresh rates require a drop to 1080p • Lack of support for 1440p resolution at higher refresh rates • HDR performance suffers at lower resolutions and higher refresh rates, leading to washed-out colors • Dark scenes may not appear as well due to less effective contrast with blacks appearing more as dark grey
ViewSonic PX749-4K​	Pros • High-quality video and audio output • User-friendly interface • Wide range of streaming options • Compact and stylish design • Regular software updates Cons • Limited compatibility with older devices • May require additional subscriptions for full access • Some features can be complicated for beginners • Occasional lag during high-demand usage • No built-in storage for offline content